Bussmann 170M3142 Eaton Series...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$1,072.70
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Bussmann 170M3142 Eaton Series High-Speed Square Body Fuse, 700V, 125A, Class aR

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Model: 170M3142

In Stock (leaves warehouse same day if ordered before 3pm ET)

$1,072.70
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Bussmann 170M3142 Eaton Series High-Speed Square Body Fuse, 700V, 125A, Class aR

The Bussmann 170M3142 is an Eaton Bussmann series high-speed square body fuse engineered for semiconductor protection in demanding power electronics applications. Rated 700V (UL) / 690V (IEC), 125A, with a 100 kAIC interrupting rating, this Class aR (accompanied semiconductor protection) fuse follows the DIN 43 620 dimensional standard and includes a top fuse status indicator for quick visual verification of fuse condition.

Key Features

  • Amperage Rating: 125A for reliable protection of semiconductor devices and power circuits.
  • Voltage Rating: 700V (UL), 690V (IEC), with a 1250 V AC voltage rating for demanding electrical environments.
  • High Interrupting Capacity: 100 kAIC rating delivers dependable current-limiting performance under fault conditions.
  • Utilization Category: Class aR (accompanied semiconductor protection) for coordinated protection schemes.
  • Fuse Shape: Square body design with slotted, center-bolted tags built to the DIN 43 620 standard.
  • Top Fuse Status Indicator: Provides a fast visual check of fuse condition without removal.
  • Let-Through Characteristics: Pre-arc I2t of 1450 and clearing I2t of 9000 at 1000V / 11500 at 1250V for predictable coordination.
  • Watt Losses: 35W rated power loss for efficient thermal performance in the application.

Certifications & Compliance

  • IEC Rated
  • CE Marked

Technical Specifications

  • Amperage Rating: 125 A
  • Application: semiconductor protection
  • Certifications: IEC Rated
  • Clearing I2t : 9000 at 1000 V, 11500 at 1250 V
  • Compliances: CE Marked
  • Fuse Shape: Square body, slotted center bolted tags
  • Insulated Metal Gripping Lugs Imgl : No
  • Packaging Type: Standard
  • Pre Arc I2t : 1450
  • Product Height: 65 mm
  • Product Length Depth: 305 mm
  • Product Weight: 500 g
  • Product Width: 145 mm
  • Utilization Category: aR (accompanied semiconductor protection)
  • Voltage Rating: 1250 V
  • Voltage Type: AC
  • Watt Losses: 35 W

Typical Applications

  • Semiconductor Device Protection
  • Power Converter and Drive Circuits
  • Industrial Power Electronics Equipment
  • High-Speed Fault Current Protection

Why Bussmann?

Bussmann by Eaton builds this high-speed square body fuse to precise DIN 43 620 dimensions with a 100 kAIC interrupting rating and Class aR utilization category, giving engineers a coordinated, code-aware solution for semiconductor protection. The IEC-rated, CE-marked construction and top fuse status indicator support dependable, serviceable performance in professional power electronics installations.

Manufacturer Resources

Product Specs

Amperage Rating:
125 A
Application:
semiconductor protection
Certifications:
IEC Rated
Class:
Class aR
Clearing I2t:
9000 at 1000 V, 11500 at 1250 V
Compliances:
CE Marked
Fuse Indicator:
Top fuse status indicator
Fuse Shape:
Square body, slotted center bolted tags
Insulated Metal Gripping Lugs Imgl:
No
Interrupt Rating:
100 kAIC
Mounting Method:
DIN 43 620
Packaging Type:
Standard
Pre Arc I2t:
1450
Product Height:
65 mm
Product Length Depth:
305 mm
Product Weight:
500 g
Product Width:
145 mm
Utilization Category:
aR (accompanied semiconductor protection)
Voltage Rating:
1250 V
Voltage Type:
AC
Watt Losses:
35 W
Product Group:
Fuses
Department:
Electrical
Product Subgroup:
Other Fuses
Product Type:
Fuse
Product Details:
Fuse

Bussmann 170M3142 – Frequently Asked Questions

How fast can I get the Bussmann 170M3142 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Bussmann 170M3142 come with a warranty?
Absolutely. The Bussmann 170M3142 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Bussmann 170M3142?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
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